Perhaps you should try some spelling variations:
nhanh tinh » nhanh thanh, hanh trinh, nhan sinh
cong thanh » dong thanh, cong trinh, truong thanh
doi trieu » dong trieu, doi chieu, doi trinh
cua khong » hua khong, cua phuong, cua thuong
tinh cua » trinh cua, sinh cua, tinh chat
cong tan » cong tac, cong san, cong ty
toan cau » toan cao, toan ban, toan tap

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: doi trieu tinh - nhanh tinh cua khong ((cong tan) or (cong thanh)) toan cau~.
• If you are trying to use Boolean operators, they must be ALL CAPS: doi trieu tinh - nhanh tinh cua khong ((cong tan) OR (cong thanh)) toan cau.
• Adding a wildcard symbol may retrieve word variants: doi trieu tinh - nhanh tinh cua khong ((cong tan) or (cong thanh)) toan cau*.